EP2637866A1 - Mehrschicht-kunststoff-folie sowie folienbeschichtetes formgepresstes bauteil - Google Patents
Mehrschicht-kunststoff-folie sowie folienbeschichtetes formgepresstes bauteilInfo
- Publication number
- EP2637866A1 EP2637866A1 EP11782599.2A EP11782599A EP2637866A1 EP 2637866 A1 EP2637866 A1 EP 2637866A1 EP 11782599 A EP11782599 A EP 11782599A EP 2637866 A1 EP2637866 A1 EP 2637866A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- film
- insulating layer
- coated
- compression
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920006255 plastic film Polymers 0.000 title claims abstract description 63
- 239000002985 plastic film Substances 0.000 title claims abstract description 63
- 239000000463 material Substances 0.000 claims abstract description 24
- 229920003023 plastic Polymers 0.000 claims abstract description 20
- 239000004033 plastic Substances 0.000 claims abstract description 20
- 238000000748 compression moulding Methods 0.000 claims abstract description 10
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 9
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims abstract description 3
- 238000000576 coating method Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 16
- 238000000465 moulding Methods 0.000 claims description 13
- 229920002635 polyurethane Polymers 0.000 claims description 10
- 239000004814 polyurethane Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 8
- 239000004952 Polyamide Substances 0.000 claims description 8
- 229920002647 polyamide Polymers 0.000 claims description 8
- 229920001187 thermosetting polymer Polymers 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 239000011888 foil Substances 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 6
- 239000005011 phenolic resin Substances 0.000 claims description 6
- 238000004132 cross linking Methods 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 229920001568 phenolic resin Polymers 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 4
- 229920000877 Melamine resin Polymers 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 239000004640 Melamine resin Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 229920006018 co-polyamide Polymers 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims 1
- 229920000647 polyepoxide Polymers 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 7
- 239000002131 composite material Substances 0.000 description 7
- 229920006264 polyurethane film Polymers 0.000 description 5
- 239000004831 Hot glue Substances 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 238000003851 corona treatment Methods 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 229920005832 Basotect® Polymers 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229920006017 homo-polyamide Polymers 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/20—Making multilayered or multicoloured articles
- B29C43/203—Making multilayered articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/04—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/08—Dimensions, e.g. volume
- B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
- B32B2309/105—Thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/003—Interior finishings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
- B32B38/1866—Handling of layers or the laminate conforming the layers or laminate to a convex or concave profile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/23—Sheet including cover or casing
- Y10T428/239—Complete cover or casing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
Definitions
- the present invention relates to a multilayer plastic film.
- the subject of the invention is a film-coated molded component, a method for producing such a component and the use of such a component for thermal and / or acoustic insulation in motor vehicles.
- compression molding is to be understood as meaning a process for material processing by means of which a flat workpiece, which is generally planar in area, is given a permanent 3d shaping under the action of heat and pressure.
- the process temperature and the pressure applied, in particular the residence time of the workpiece in the cavity of the press is a particularly relevant process parameter.
- Moldings particularly suitable materials are e.g. Non-wovens or foamed thermosetting plastics impregnated with a thermosetting resin or binder.
- Multilayer plastic films are known in the art in a wide variety. In addition to the use of the multilayer plastic films in the packaging industry, they are especially suitable for the skinning of e.g.
- the plastic films protect the insulating layers
- Moisture can be caused.
- this film is its low temperature resistance. If this film is used for the skin during a molding process, the molding process can only in a relatively low
- DE 2935631 A1 discloses multilayer plastic films for the purpose of scouring insulating layers, which have a film with a relatively high softening point on one side and a film with a relatively low softening point on the other side. The films are coextruded under the action of heat and pressure. These multi-layer plastic films are used, among other things, for the molding of molded parts
- these multilayer plastic films are subjected to strong shear forces and tend to delamination.
- the protection of the skinned foam plastics or fiber webs against external influences can not be guaranteed thereby. Since delamination is not visible from the outside, there is a risk that the manufactured components, e.g. installed in motor vehicles, even though they are faulty. Component failure then occurs during use of the vehicle, resulting in high costs, e.g. arise through exchange.
- the object of the present invention is therefore to provide a multi-layer plastic film for the skin molding of molded components, which has an improved temperature resistance and increased embossability. Furthermore, it is an object of the present invention to provide a film-coated molded component with improved durability and a suitable manufacturing method.
- a multilayer plastic film according to the invention for coating components produced by compression molding has at least one first layer of a first plastic material and a second layer of a second Plastic material on.
- the first plastic material of the present invention has a higher temperature resistance than the second
- Plastic material which is a thermoplastic on. Furthermore, one is
- Adhesion layer disposed between the first and the second layer, which mechanically connects the first with the second layer.
- the multi-layer plastic film according to the invention has the advantage that the existing adhesion layer can absorb the shear forces during a compression molding process, so that shear-induced damage to the film, as often observed in the use of coextruded films known from DE 2935631 AI for detackifying compression molded components be virtually completely avoided.
- the film-coated, compression-molded component according to the present invention has a generally extensively extended insulating layer, which is coated on at least one side with a multilayer plastic film according to the invention.
- the second layer of the multilayer plastic film shows the
- the multilayer plastic film and the insulating layer are mechanically firmly connected to one another by a temporary melting of the thermoplastic second layer.
- the subject matter of the invention is a method for producing a film-coated, compression-molded component.
- a multilayer plastic film according to the invention is provided in this case.
- a generally areally expanded, moldable and thermally and / or acoustically effective insulating layer is provided. Thereafter, the insulating layer is at least one side with the
- the foil-covered insulating layer is compression molded. During the molding process, the film-covered insulating layer obtains on the one hand the predetermined shape of the pressing tool. On the other hand, the multilayer plastic film or
- Multilayer plastic films and the insulating layer by the melting of the second layer of the multilayer plastic film.
- the multilayer plastic film and the insulating layer can no longer be detached from each other without destroying them.
- the subject of the invention is the use of a
- inventive film-coated molded component for heat and / or sound insulation in motor vehicles.
- Particularly advantageous is a use in the form of bonnet panels, end walls between engine compartments and passenger compartments, insulation of exhaust systems or exhaust systems and linings of oil pans or transmission tunnels has been found.
- Adhesion layer smaller than the modulus of elasticity of the first and / or the second layer.
- the adhesion layer used here makes it possible for stresses between the first and second layers, in particular the stresses which arise during compression molding, to be excluded from the
- Adhesion layer can be compensated, whereby the embossability of the multilayer plastic films of the invention is improved.
- the adhesion layer should advantageously have a thickness between about 1 m and 15 pm, preferably between about 4 m to 7 ⁇ .
- Adhesion layer formed by means of a primer layer. Under one
- Primer layer is to be understood as an adhesion-promoting layer which is preferably applied to a layer of the film in the production of the multilayer plastic film according to the invention, and which imparts a very good adhesion of this layer to the other layer.
- the primer layer may be flexible and consist of a crosslinking polymer, particularly preferably of a polyurethane-based crosslinking polymer.
- the multilayer plastic film can be produced in a continuous process.
- the first and the second layer are produced in separate extrusion processes, in particular at the same time.
- the finished extruded layers are spaced by means of guides parallel and spaced apart guided.
- an adhesive or a primer for forming the adhesion layer is applied to the inside of at least one layer.
- the application of the adhesive or primer can be carried out by spray application or by hand.
- the adhesive or primer is knife-coated onto a layer.
- Adhesion of the layers can be further improved by one of the two layers of the film prior to the application of the adhesive or primer or the contacting with the adhesive or
- Primer-coated further layer is subjected to a corona treatment.
- a corona treatment has in particular a layer of
- Polyurethane ethers have been found to be particularly effective.
- the finished multilayer plastic film can either be rolled up or else cut into sections of predetermined sizes by means of cutting devices.
- the lower temperature resistance thermoplastic second layer of the multilayer plastic film according to the invention is preferably formed of polyurethane ether.
- Polyurethane ether has very high hydrolysis resistance.
- the selection of the thermoplastic material can also be done according to how and from which materials the
- Insulating layers are constructed, which are to be skinned with the multi-layer plastic films according to the invention.
- the choice is to be made so that a good mechanical and chemical compatibility between multi-layer plastic film, in particular the second layer, and to be skinned insulating layer.
- mechanical bonding between the multilayer plastic film and the insulating layer may be achieved by comprising the second layer of co-polyamide, co-polyester or co-polyterephthalate.
- the first layer comprises polyamide 6.6 or consists of this material.
- Polyamide 6.6 has a high mechanical strength, a very good chemical resistance and a high
- Melting temperature It is therefore very well suited for the skinning of components that are used in areas where u.a. high temperatures prevail and occur water- or oil-containing and / or aggressive media, for example in engine compartments.
- the first layer consists of a modified polyester or a homopolyamide.
- both the first and the second layer of the multilayer plastic film have a thickness of at least about 10 ⁇ m and at most about 35 ⁇ m. In a preferred embodiment, the thickness of the first and second layers is at least about 15 pm and at most about 25 pm.
- the acoustic properties of the multilayer plastic film or the film-coated molded component can be customized to the specific purpose.
- an areally expanded insulating layer can be covered on both sides by a multilayer plastic film according to the invention. It is also conceivable, however, that it is not an expansive, but a spatially extended,
- the insulating layer In order to protect the insulating layer in this case from external influences, the insulating layer must be covered on all sides with the multi-layer plastic film. As a result, a complete encapsulation of the insulating layer is achieved.
- the component is now particularly resistant to external influences such as the effects of high temperatures and aggressive substances and therefore has a longer life.
- These (2d or 3d) components with fully encapsulated Insulating layer are particularly suitable for use in areas with high humidity, such as. Due to their very high resistance to hydrolysis. B. the tropics.
- the insulating layer of the film-coated, molded component of a foam plastic for. B. consists of polyurethane foam.
- the insulating layer may also be made of a melamine resin foam, such as. B. made of Basotect ® BASF.
- Insulating layer also include textile nonwovens or textile fabrics.
- a particularly preferred use here cotton fiber webs By using cotton fiber fleece, in particular the sound insulation properties can be improved.
- the cotton fiber webs used may be e.g. to act around torn scraps.
- the structure of the insulating layer is not limited to the above embodiments. Virtually all moldable materials with advantageous thermal and / or acoustic properties can be used for
- Forming the insulating layer can be used.
- the insulating layer comprises a thermosetting resin or a thermosetting binder
- the insulating layer is impregnated with such a resin or binder.
- a resin or binder Particularly suitable have e.g. Phenol resins proved. Phenolic resins cure at temperatures of about 150 ° C to 170 ° C and are resistant to breakage after curing and resistant to high temperatures as a thermosetting material. Similarly advantageous properties have melamine resins. Both resins are preferably in powdered form in the
- Insulating layer introduced.
- the resins crosslink and develop thermoset properties, e.g. a high
- the temperature during compression molding must be at least so high that, first, the softening point of the second layer of the Multilayer plastic film is achieved. In this way, the thermoplastic second layer can act as a hot melt adhesive and there is a mechanically high-strength cohesive connection between the multilayer plastic film and the insulating layer. On the other hand, the temperature must be during the
- Formpressens are chosen so high that in the presence of a resin or a binder in the insulating layer, the curing reaction of the resin or binder can take place.
- the molding process of the film-coated component at a temperature of about 180 ° C, preferably above 200 ° C, more preferably above 220 ° C. This allows a relevant shortening of the molding cycle and thus a reduction of the cycle time. Along with this, the manufacturing costs of the components are significantly reduced.
- the duration of the pressing process in one embodiment of the present invention lasts less than 100 seconds, preferably less than 90 seconds, more preferably less than 70 seconds.
- the film-coated molded component is used as an acoustically effective hood trim or as an acoustically effective partition between the passenger compartment and the engine compartment.
- Film-coated molded components according to the present invention are also well suited as end walls and as linings of
- the component is used for thermal and / or acoustic insulation of buildings or pipelines.
- FIGS. show a particularly preferred embodiment of the invention.
- the invention is not limited to the embodiment shown.
- the invention includes as far as technically reasonable any combination of the technical features listed in the dependent claims or in the
- Fig. 1 a schematic sectional view of an inventive
- Multilayer plastic film in one embodiment
- Fig. 2 is a schematic sectional view of an inventive
- the multilayer plastic film 1 shown in FIG. 1 consists of a first layer 2, a thermoplastic second layer 4 and an adhesion layer 3, which is arranged between the first layer 2 and the second layer 4.
- the adhesion layer 3 is formed by a flexible primer layer with a thickness of a few ⁇ , preferably, it has a thickness of about 4 ⁇ to 7 ⁇ .
- the primer used is a crosslinking polymer which has increased adhesion both to the first layer 2 and to the second layer 4.
- the second layer 4 is advantageously made of a thermoplastic
- the second layer 4 has adhesive properties at elevated temperatures and is therefore very suitable as a hot melt adhesive.
- Polyurethane ether has proved to be a particularly suitable material for the second layer.
- the first layer 2 consists for example of polyamide 6.6.
- the first layer 2 and the second layer 4 each have a thickness of about 15 pm to 35 pm. However, the first layer 2 and second layer 4 may also differ from one another in their thickness.
- polyamide films are extruded separately to form the first layer 2 and polyurethane to form the second layer 4.
- a primer layer of defined thickness is applied on one side to the polyurethane film or to the polyamide film, preferably by knife-coating. Possibly.
- the adhesion of the primer layer to the polyurethane film can be improved by an upstream corona treatment of the surface of the polyurethane film.
- the Polyamide film and the polyurethane film including the primer layer brought together and brought into mechanical contact, resulting in a surface bonding of the polyamide film with the polyurethane film.
- the strength of this film composite can be increased by applying a local force to the film composite, e.g. by passing the composite through one or more pairs of rolls. Thereafter, the film composite is wound on a spool and kept ready in a coiled form for later use.
- FIG. 2 schematically shows a section through a sheet-like, film-coated, compression-molded component 6, in which e.g. can act around a bonnet insulation.
- the component 6 comprises a
- Insulating layer 5 which is laminated on both sides by a multi-layer plastic film ⁇ , 1 "Each of the multi-layer plastic films ⁇ , 1" is materially bonded to the insulating layer 5. Furthermore, the multi-layer plastic films, 1 "peripherally peripherally materially connected directly to each other.In this way, the insulating layer 5 is completely enclosed by the multi-layer plastic films ⁇ , 1", so that the insulating layer 5 completely encapsulated and thus effectively before Environmental protection is protected.
- Multilayer plastic film 1 1
- the insulating layer 5 consists of a cotton fiber fleece, which is impregnated with a non-cured phenolic resin.
- Cotton fiber fleeces are particularly suitable in the field of motor vehicle technology, since they have good sound insulation properties at low material costs.
- the component of Fig. 2 is produced by compression molding in a heated mold.
- Multilayer plastic film 1 placed horizontally one above the other, so that the first Layers V, the multi-layer plastic films ⁇ , 1 "are oriented outward.
- the sections of the multi-layer plastic films ⁇ , 1" are slightly larger than the dimension of the insulating layer 5, so that the multi-layer plastic films
- the resulting loose composite is gripped on two opposite longitudinal sides by means of a suitable tool, thereby mechanically fixed and placed in the heated open mold fastened on a press, whereupon the mold is closed.
- Forming tools are heated up to 240 ° C, so that during the
- the second layers 4 ', 4 "adjoining the insulating layer 5 melt and thus act as hot melt adhesives, resulting in an insoluble bond between the insulating layer 5 and the multilayer plastic foils ⁇ , 1".
- the edge of the insulating layer 5 beyond the outgoing part of the multi-layer plastic films ⁇ , 1 is welded directly to each other during molding and thus seals the insulating layer 5 completely from the outside.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL11782599T PL2637866T3 (pl) | 2010-11-09 | 2011-11-09 | Wielowarstwowa folia z tworzyw sztucznych oraz powleczony folią formowany tłocznie element konstrukcji |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010060442A DE102010060442A1 (de) | 2010-11-09 | 2010-11-09 | Mehrschicht-Kunststoff-Folie sowie folienbeschichtetes formgepresstes Bauteil |
| PCT/EP2011/069776 WO2012062820A1 (de) | 2010-11-09 | 2011-11-09 | Mehrschicht-kunststoff-folie sowie folienbeschichtetes formgepresstes bauteil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2637866A1 true EP2637866A1 (de) | 2013-09-18 |
| EP2637866B1 EP2637866B1 (de) | 2015-01-07 |
Family
ID=44983522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP11782599.2A Not-in-force EP2637866B1 (de) | 2010-11-09 | 2011-11-09 | Mehrschicht-kunststoff-folie sowie folienbeschichtetes formgepresstes bauteil |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20130330499A1 (de) |
| EP (1) | EP2637866B1 (de) |
| DE (1) | DE102010060442A1 (de) |
| ES (1) | ES2534367T3 (de) |
| HU (1) | HUE025017T2 (de) |
| PL (1) | PL2637866T3 (de) |
| WO (1) | WO2012062820A1 (de) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4008347A (en) * | 1974-06-24 | 1977-02-15 | Owens-Illinois, Inc. | Receptacle of foamed plastic lined with unoriented polyolefin film |
| DE2935631A1 (de) * | 1979-09-04 | 1981-04-16 | Plate Bonn Gmbh, 5300 Bonn | Mehrschicht-kunststoff-folie, verfahren zu ihrer herstellung und deren verwendung |
| DE4142692A1 (de) * | 1991-12-21 | 1993-07-01 | Roehm Gmbh | Heisssiegelbare kunststoff-folien i |
| DE10104829A1 (de) * | 2001-02-01 | 2002-08-08 | Basf Ag | Mehrschichtige Polymerfolie |
| JP2004276301A (ja) * | 2003-03-13 | 2004-10-07 | Sumitomo Chem Co Ltd | 積層シート、複合シートおよびその製造方法 |
-
2010
- 2010-11-09 DE DE102010060442A patent/DE102010060442A1/de not_active Withdrawn
-
2011
- 2011-11-09 WO PCT/EP2011/069776 patent/WO2012062820A1/de not_active Ceased
- 2011-11-09 HU HUE11782599A patent/HUE025017T2/en unknown
- 2011-11-09 PL PL11782599T patent/PL2637866T3/pl unknown
- 2011-11-09 US US13/884,373 patent/US20130330499A1/en not_active Abandoned
- 2011-11-09 EP EP11782599.2A patent/EP2637866B1/de not_active Not-in-force
- 2011-11-09 ES ES11782599.2T patent/ES2534367T3/es active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2012062820A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012062820A1 (de) | 2012-05-18 |
| US20130330499A1 (en) | 2013-12-12 |
| EP2637866B1 (de) | 2015-01-07 |
| ES2534367T3 (es) | 2015-04-22 |
| HUE025017T2 (en) | 2016-02-29 |
| PL2637866T3 (pl) | 2015-07-31 |
| DE102010060442A1 (de) | 2012-05-10 |
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